30442212240 has 80 divisors (see below), whose sum is σ = 102950035776. Its totient is φ = 7379929600.

The previous prime is 30442212223. The next prime is 30442212287. The reversal of 30442212240 is 4221224403.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30442212240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5762931 + ... + 5768210.

Almost surely, 2^30442212240 is an apocalyptic number.

30442212240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30442212240 is an abundant number, since it is smaller than the sum of its proper divisors (72507823536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30442212240 is a wasteful number, since it uses less digits than its factorization.

30442212240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11531168 (or 11531162 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 30442212240 its reverse (4221224403), we get a palindrome (34663436643).

The spelling of 30442212240 in words is "thirty billion, four hundred forty-two million, two hundred twelve thousand, two hundred forty".